Telescopic Boom Lift 3D model is available on CGTrader for $150. Original author: rgbAlpha1. Specs: 488290 polys, 475090 verts.
MA (Autodesk Maya, filesize: 200 MB), FBX (Autodesk FBX, filesize: 21 MB), MA (Autodesk Maya, filesize: 200 MB), PNG (PNG, filesize: 164 MB)